Zephior vs Skim
Turn bid analysis into the original working files.
Choose Ziva when you want a product that can carry out document production as well as help analyze the opportunity. She can revise original narratives, workbooks and presentations using company evidence. Skim also offers an expert bid team, so compare that managed service separately from the software task.
Where Ziva makes the difference
Get more of the work off your team’s desk.
Have the agent implement the response
Ziva can fill the buyer’s original workbook, revise the methodology and prepare annexes or slides. She can change calculations, tables and layout. Your team gets working deliverables rather than having to turn mapped requirements into the complete package manually.
Keep company standards and evidence reusable
Retain terminology, formatting conventions and repeatable preparation steps with Ziva. Build reusable knowledge from existing documents and diagrams. Later bids can start with the company method and evidence available rather than another round of explanation and folder searching.
Choose software execution or an external team
Source-scoped review and accepted versions support your own team’s production workflow. Zelius can separately carry agreed preparation when you want the service outcome. Compare that mandate with Skim’s actual Enterprise bid-team scope; human support is available on both sides.
Where each fits
Start with the job you need done.
Consider Skim for
UK and EU suppliers seeking intelligence, with ongoing advisory or managed bid writing for UK and Ireland.
Choose Zephior for
Teams choosing independent monitoring or response software, or a scoped external partner for selected bids.
Qualification uses the tender pack
Skim describes requirements mapped to company capabilities and source clauses.
Skim requirements and bid analysis(opens in a new tab)Managed writing is part of the offer
Enterprise includes a bid team, rather than only software access.
Skim current GBP plans and managed service(opens in a new tab)Commercial scope changes by tier
Geographic allowances, strategic support and engagement frequency vary across plans.
Skim current GBP plans and managed service(opens in a new tab)Across the bid lifecycle
Follow the work, stage by stage.
Compare the published scope with the work your team needs. A capability to verify is an evaluation question, rather than proof a product cannot do it.
Discover
Find the next opportunityDiscovery focuses on UK and EU opportunities, with tracked-country limits by tier.
Skim intelligence and service overview(opens in a new tab)Search supported public procurement markets with Discover and receive company-specific monitoring through Intelligence.
Qualify
Decide where to investBid Analysis examines requirements, budget, incumbent context and company fit. Treat probability estimates as guidance.
Skim requirements and bid analysis(opens in a new tab)Assess relevance, requirements and evidence gaps. A preliminary Intelligence recommendation is distinct from a complete tender-document audit.
Pursue
Shape the bid strategyBuyer, competitor and partner intelligence inform strategy and earlier engagement.
Skim intelligence and service overview(opens in a new tab)Bring in Zelius for pursuit sparring, bid strategy, specialist coordination and a scoped delivery plan.
Remember
Reuse company evidenceCompany capability information informs opportunity assessment; demonstrate ongoing evidence reuse.
Skim requirements and bid analysis(opens in a new tab)Turn existing documents and diagrams into reusable company evidence. Select the sources for each bid, review proposed knowledge changes and carry company terminology and working instructions into later assignments.
Respond
Produce the actual filesEnterprise adds human bid writing and strengthening of responses for UK and Ireland.
Skim current GBP plans and managed service(opens in a new tab)Give Ziva the buyer’s original files and the outcome. She can fill workbook cells, revise document content and layout, build calculations and prepare related Word, Excel, PDF and presentation deliverables.
Review and deliver
Move to approved outputSpecify final files, review, submission actions and customer approval in the actual managed agreement.
Skim current GBP plans and managed service(opens in a new tab)Keep source-scoped reviewers, comments and accepted document history beside production. Review and restore prior accepted versions. Zelius can handle separately agreed submission work with customer approval and authority.
Zephior combines separately purchasable software and managed services. Customer decisions, declarations, pricing and final approval remain with the customer. Product access and service scope follow the chosen plan and agreement.
Pricing and ownership
Price the work completed, not just the subscription.
Skim
Skim lists Starter £199 and Growth £599 monthly; annual equivalents are discounted. Starter tracks three countries, Growth ten. Enterprise managed service is annual-only and its FAQ says from £1,500 per month. All plans list unlimited users. A 14-day paid-plan trial is advertised; the free Advisor beta is waitlist-based and limited. Confirm managed geography, bid capacity and country or portal extras.
Skim current GBP plans and managed service(opens in a new tab)Zephior
Projects starts at CHF 500 per month for one Project Key, with unlimited users and company knowledge within one organization. Independent Intelligence starts at CHF 199 per month for one country. New software access starts paid with the published first-month money-back conditions. Zelius services have their own agreed scope and fees.
See current Zephior pricing ↗Compare the annual managed commitment with your actual bid workload, required markets and the exact preparation each service takes on.
Published prices are starting points, not like-for-like quotes. Confirm currency, taxes, billing period, scope and current terms with each provider.
Make the evaluation useful
Bring a tender your team knows.
Use a past submitted tender as a benchmark, or a suitable live package. Compare the evidence, the final output and the work left for your team.
Choose the same UK or Irish bid
Ask both services to define the narrative, commercial workbook, evidence and specialist work included.
Test source-linked eligibility
Inspect a requirement that needs additional proof and the plan to obtain it rather than relying on a probability score.
Model uneven demand
Compare a quiet quarter and several simultaneous tenders, including recurring fees and service capacity.
Agree approval and submission
Name who checks facts, finalizes price, approves the package and carries out authorized portal actions.
Questions before you choose
A closer look.
Does Skim provide a human bid team?
Yes. Its current Enterprise proposition includes managed bid writing for the UK and Ireland.
Skim current GBP plans and managed service(opens in a new tab)Is a managed Zephior engagement tied to a software subscription?
No. Zelius has its own agreed scope and fees; monitoring and self-service response software are separate purchases.
Sources and comparison method
Reviewed 19 October 2026. Competitor descriptions use the official product and pricing sources below. These are published capabilities, not results from a controlled product trial. Zephior publishes this comparison and has a commercial interest in your choice. Workflow recommendations are our assessment.
- Skim intelligence and service overview ↗(opens in a new tab)
- Skim requirements and bid analysis ↗(opens in a new tab)
- Skim current GBP plans and managed service ↗(opens in a new tab)
For Zephior’s current offer, see Ziva, Zelius and pricing. Ask us to demonstrate any requirement that is essential to your decision.
Your next opportunity
Bring the work.
See how far Zephior takes it.
Discuss your markets, a representative tender and the parts your team wants to hand over.